Adding a driver to Windows 7 after replacing hardware (SSD, motherboard, etc)

1. Download driver(s) from manufacturer.
2. Unpack and extract to a folder on a USB drive.
3. Boot the broken computer into System Repair mode.
4. Open the Command Prompt.
5. Enter this to add a single driver:
   dism /image:c:\ /add-driver /Driver:X:\ /recurse
6. Reboot

Upgrade Debian 8 to Debian 9 through ssh

https://www.cyberciti.biz/faq/how-to-upgrade-debian-8-jessie-to-debian-9-stretch/

How to convert file encoding to/from UTF-8

Convert from UTF-8 to Windows cp 1252

$ iconv -f UTF-8 -t Windows-1252 file.csv > output.csv

Convert to UTF-8 from ISO-8859-15

$ iconv -f ISO-8859-15 -t UTF-8 file.csv > output.csv

How to check if a file is valid UTF-8

$ iconv -f UTF-8 your_file -o /dev/null

How to support full Unicode in MySQL databases

https://mathiasbynens.be/notes/mysql-utf8mb4